The positive controls were 0.1, 1 and 10 mM arbutin and 10, 25, 40 and 50 M kojic acid
Grauslund J, Taha AA, Molander LD, et al
In a similar line of products, we have approved organic plant extracts like glabridin from Glycyrrhiza glabra
2021 Jun Pietro Ghezzi, Kevin V Lemley, James P Andrus, Stephen C De Rosa, Arne Holmgren, Dean Jones, Farook Jahoor, Richard Kopke, Ian Cotgreave, Teodoro Bottiglieri, Neil Kaplowitz, Hajime Nakamura, Frank Staal, Stephen W Ela, Kondala R Atkuri, Rabindra Tirouvanziam, Kartoosh Heydari, Bita Sahaf, Andrew Zolopa, Richard Eugene Frye, John J Mantovani, Leonard A Herzenberg, Leonore A Herzenberg